Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/5/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 08/06/2025 08:32:24 80.01, 13.28 65.86 08/06/2025 08:32:48 80.01, 13.34 65.84 1.38 24
2 08/06/2025 09:23:03 -79.86,-177.89 114.42 08/06/2025 09:21:53 -79.86,-177.77 114.40 2.52 70
3 08/08/2025 12:58:52 80.08, -54.07 66.61 08/08/2025 12:59:54 80.08, -54.02 66.57 0.98 62
4 08/08/2025 13:49:31 -79.93, 114.81 113.68 08/08/2025 13:48:59 -79.93, 114.91 113.68 1.98 32
5 08/10/2025 18:15:58 -79.97, 47.78 112.98 08/10/2025 18:16:04 -79.97, 47.79 112.99 0.23 6
6 08/12/2025 22:42:25 -80.02, -19.27 112.26 08/12/2025 22:43:09 -80.03, -19.41 112.26 2.93 44
7 08/12/2025 23:33:07 79.92, 149.09 67.56 08/12/2025 23:32:17 79.91, 149.24 67.56 3.13 50
8 08/15/2025 03:59:33 79.94, 82.29 68.26 08/15/2025 03:59:21 79.94, 82.22 68.27 1.41 12
9 08/17/2025 08:26:00 80.01, 14.88 69.08 08/17/2025 08:26:25 80.01, 14.84 69.07 0.73 25
10 08/17/2025 09:16:40 -79.88,-176.45 111.17 08/17/2025 09:15:31 -79.88,-176.42 111.14 0.61 69
11 08/19/2025 12:52:28 80.09, -52.56 69.93 08/19/2025 12:53:30 80.10, -52.62 69.91 1.36 62

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 8/5/2025
SNOs_Map_NPP_PACE_20250806.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 08/05/2025 in txt file.

Historial Predications of SNOs between NPP and PACE